AQUEOUS DISPERSION OF POLYURETHANE RESIN, FIRE-RESISTANT POLYESTER-BASED FIBER USING SAME, AND METHOD FOR PRODUCING SAID FIBER

An aqueous dispersion of polyurethane resin obtained by a chain elongation reaction in water, by adding (C) at least one chain extender selected from a group consisting of water-soluble polyamines, hydrazine and derivatives thereof to a dispersion liquid obtained by emulsifying and dispersing a mixt...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMAMURA, NOBUYUKI, USUI, TAKASHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	An aqueous dispersion of polyurethane resin obtained by a chain elongation reaction in water, by adding (C) at least one chain extender selected from a group consisting of water-soluble polyamines, hydrazine and derivatives thereof to a dispersion liquid obtained by emulsifying and dispersing a mixture in water, said mixture comprising (B) at least one compound selected from the phosphorous compounds represented by the following formula (1) and (A) an urethane prepolymer and/or a neutralized urethane prepolymer material which has an isocyanate group at the terminal, wherein an urethane prepolymer of said component (A) is an urethane prepolymer obtained by (a1) an organic polyisocyanate and (a2) a polymeric polyol, and said neutralized urethane prepolymer material is a neutralized material obtained by neutralizing an urethane prepolymer which is obtained by further using (a3) compound having an anionic hydrophilic group and at least two active hydrogens in a molecule together with said components (a1) and (a2);